CVE-2023-26343
📋 TL;DR
CVE-2023-26343 is an out-of-bounds read vulnerability in Adobe Dimension that could allow an attacker to read sensitive memory information. This could potentially bypass security mitigations like ASLR, though exploitation requires user interaction through opening a malicious file. Users of Adobe Dimension versions 3.4.7 and earlier are affected.
💻 Affected Systems
- Adobe Dimension
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
An attacker could bypass ASLR protections and potentially chain this with other vulnerabilities to achieve arbitrary code execution or sensitive information disclosure.
Likely Case
Limited information disclosure about memory layout, potentially aiding in further exploitation attempts against the system.
If Mitigated
With proper controls, the impact is limited to potential memory layout information disclosure without direct code execution.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of memory layout.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 3.4.8 or later
Vendor Advisory: https://helpx.adobe.com/security/products/dimension/apsb23-20.html
Restart Required: Yes
Instructions:
1. Open Adobe Dimension. 2. Go to Help > Check for Updates. 3. Follow prompts to install version 3.4.8 or later. 4. Restart the application.
🔧 Temporary Workarounds
Restrict file opening
allOnly open Dimension files from trusted sources and implement file type restrictions.
Application sandboxing
allRun Adobe Dimension in a sandboxed environment to limit potential impact.
🧯 If You Can't Patch
- Implement application whitelisting to prevent execution of unauthorized files
- Deploy endpoint protection with file reputation services to detect malicious files
🔍 How to Verify
Check if Vulnerable:
Check Adobe Dimension version in Help > About Adobe Dimension. If version is 3.4.7 or earlier, you are vulnerable.Check Version:
Not applicable - check via application GUIVerify Fix Applied:
Verify version is 3.4.8 or later in Help > About Adobe Dimension.📡 Detection & Monitoring
Log Indicators:
- Application crashes with memory access violations
- Unexpected file opening events in Dimension
Network Indicators:
- Downloads of suspicious .dim or other 3D file formats
SIEM Query:
source="*adobe*" AND (event="crash" OR event="file_open") AND process="Dimension.exe"